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That depends on wether you are using the Imperial (inches) system or the Metric System
1 Inch equates to about 2.5cm however in engineering you need to go smaller than inches or Centimeters (10 millimeters)
This is where Micrometers come in these measuring devices can go down to very exacting measurements :-
Some micrometers are provided with a vernier scale on the sleeve in addition to the regular graduations. These permit measurements within 0.001 millimetre to be made on metric micrometers, or 0.0001 inches on inch-system micrometers.
beyond that measurements go down to Nanometers :-
a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation.
for more info see related links.
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When measuring the length of an object how do you decide which unit of measure to use?
This depends on the length of the object.You can use mm for very short objects, cm for short objects, m for long objects; and working with a microscope we use μm.
Why is atonsidered a proper unit for measuring length?
It is not.
Which is the best for measuring the length of a pencil gallons inches miles or yards?
The best unit for measuring the length of a pencil is inches.
What is the standard unit for measuring length and distance?
In feet.
What unit will you use when measuring length of a door?
inch
What is the unit of length used in measuring long objects?
the unit of length used in measuring long objects are yards and feet and inches.
When measuring the length of an object how do you decide which unit of measure to use?
This depends on the length of the object.You can use mm for very short objects, cm for short objects, m for long objects; and working with a microscope we use μm.
What is a centimeter ruler used for?
By unit of length and distance and conversion ,we can say that a centimeter ruler used for measuring the length,width of the objects in centimeters ,etc.
Is an SI base unit for measuring length?
SI unit of length is "meter".
What is the English unit for measuring length?
the yard
What is the metric unit of measuring length?
the meter
Why is atonsidered a proper unit for measuring length?
It is not.
What is the base unit for measuring length?
The meter.
What does meters mean?
It means a measuring unit of length that equals 100 cm. One foot equals 0.3048 meter.AnswerIn British English, 'meter' means 'measuring instrument' (the SI unit for length is 'metre').In American English, 'meter' can mean either a 'measuring instrument', or the SI unit for length.
Which is the best for measuring the length of a pencil gallons inches miles or yards?
The best unit for measuring the length of a pencil is inches.
What is the main unit for measuring length?
nautical miles
What is a unit for measuring length or distance?
kilometre (km)
